Home / 176,758.12-265,137.73-43,638.40

Finding the Fourth Proportional to 176,758.12, 265,137.73 and 43,638.40

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Solution

The fourth proportional to 176,758.12, 265,137.73 and 43,638.40 is: 65,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,758.12 : 265,137.73 = 43,638.40 : x
  2. Step 2: Convert to fraction form
    176,758.12/265,137.73 = 43,638.40/x
  3. Step 3: Cross multiply
    176,758.12x = 265,137.73 × 43,638.40
  4. Step 4: Simplify right side
    176,758.12x = 11,570,184,772.95
  5. Step 5: Solve for x
    x = 11,570,184,772.95/176,758.12
  6. Step 6: Final answer
    x = 65,457.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.